13 strokes
                                                    
                        Jouyou kanji
            Taught in 6th grade
    
                                                    JLPT exam level N2
                                            back, amidst, in, reverse, inside, palm, sole, rear, lining, wrong side
Kun'yomi
- う - ら - opposite side ②rear ③lining ④in the shadows 
On'yomi
- リ - in (e.g. secret) 
Character Breakdown
References
| Unicode hex code | 88CF | 
| JIS X 0208 | 1-46-2 | 
| Nelson, A. Classic Nelson | 327 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 5462 | 
| Halpern, J. New Japanese-English Character Dictionary | 2138 | 
| Halpern, J. Kodansha Kanji Dictionary | 2652 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 1354 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1836 | 
| Heisig, J. Remembering The Kanji | 399 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 426 | 
| Gakken A New Dictionary of Kanji Usage | 755 | 
| O'Neill, P.G. Japanese Names | 2176 | 
| O'Neill, P.G. Essential Kanji | 1076 | 
| Morohashi Daikanwajiten | 34294 | 
| Henshall, K. A Guide To Remembering Japanese Characters | 992 | 
| Spahn and Hadamitzky Kanji and Kana | 273 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 273 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 883 | 
| Henshall & De Groot A Guide To Reading and Writing Japanese, 3rd ed. | 1002 | 
| Kask, A. Tuttle Kanji Cards | 969 | 
| Nishiguchi & Kono Kanji in Context | 436 | 
| Kodansha Kodansha Compact Kanji Guide | 1627 | 
| Maniette, Y. Les Kanjis dans la tete | 406 | 
| Tuttle Dictionary Descriptor Code | 2j11.2 | 
| Four corner code | 0073.2 | 
| De Roo Code | 465 |